crowding involves people congestion involves traffic slow down could impact traffic flow
Originally Posted by hooshdar3 Can you have traffic slowing?! I don't really understand your question. Do you mean "Can we say 'traffic slowing'?" Please use "traffic slowing" in a sentence and we can tell you if it's correct or not.
Yes.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.
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